#include<stdio.h>
int main(int argc,char **argv){
    if(argc==3)
	{
		char*srcfile=argv[1];
		char*dstfile=argv[2];
		FILE *fp1=fopen(srcfile,"r");
		if(fp1==0)
		{
		printf("file not exist");
		return -1;
		}
        FILE *fp2=fopen(dstfile,"w");
		while(1)
		{
		char temp=fgetc(fp1);
		if(feof(fp1))
			break;
		fputs(temp,fp2);
		}
	}
	fclose(fp1);
    fclose(fp2);
}